xiaoxiang781216 commented on code in PR #16333:
URL: https://github.com/apache/nuttx/pull/16333#discussion_r2078092232
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sched/signal/sig_dispatch.c:
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@@ -374,6 +339,76 @@ static FAR sigpendq_t *nxsig_add_pendingsignal(FAR struct
tcb_s *stcb,
return sigpend;
}
+/****************************************************************************
+ * Name: nxsig_alloc_dyn_pending
+ *
+ * Description:
+ * Dynamically allocate more pending signal and pending sigaction
+ * structures, if there are no more left. Note that this leaves the
+ * the critical section for the allocation. During that time it is
+ * it is possible that structures are freed, or another signalling thread
+ * allocates more structures. This is not an issue, any extra pending
+ * structures are freed after they get used.
+ *
+ * Assumptions:
+ * Called with g_sigpendingsignal and g_sigpendingaction locked by
+ * critical section.
+ *
+ ****************************************************************************/
+
+static irqstate_t nxsig_alloc_dyn_pending(irqstate_t flags)
+{
+ if (!up_interrupt_context())
Review Comment:
need check idle_task too
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